Form 497VPU LINCOLN NATIONAL VARIABL

THE LINCOLN NATIONAL LIFE INSURANCE COMPANY

Lincoln National Variable Annuity Account H

American Legacy^® Fusion, American Legacy III^® B-Class,

American Legacy Shareholder’s Advantage^® (A-Class)

Supplement dated May 1, 2026 to the

Updating Summary Prospectus for Current Contractowners dated May 1, 2026

This Supplement to your summary prospectus outlines changes to certain investment options under your individual annuity contract.  All other provisions outlined in your variable annuity prospectus, as supplemented, remain unchanged.

Effective May 1, 2026, the following American Funds Insurance Series fund names will be updated as follows:

You can obtain information by contacting your registered representative, online at www.lfg.com/vaprospectus, or by sending an email request to [email protected].

Please retain this supplement for future reference.